<template>
  <div class="login_continer">
    <div class="login_box">
      <!-- 头像区 -->
      <div class="avatar_box">
        <img src="../assets/img/milk.png" alt="" />
      </div>
      <!-- 登录表单区 -->
      <el-form
        :model="loginForm"
        label-width="0px"
        :rules="login_rules"
        class="login_form"
        ref="loginFormRef"
      >
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            prefix-icon="el-icon-lock"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary"
          @click="login"
          >登录</el-button>
          <el-button type="info" 
          @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 登录表单数据
      loginForm: {
        username: "admin",
        password: "123456",
      },
      // 登陆验证
      login_rules: {
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" },
        ],
        password: [
            { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" },
        ],
      },
    };
  },
  methods:{

    //   重置按钮
      resetLoginForm(){
          this.$refs.loginFormRef.resetFields()
      },
    //   登录按钮
      login(){
           this.$refs.loginFormRef.validate(async vaild=>{
               if (!vaild) { return console.log('验证未通过') }
                //  this.$http.post("login",this.loginForm).then(res=>{
                //       console.log(res)
                //  }
                //  )
               const {data:res}=await this.$http.post("login",this.loginForm);
               if(res.meta.status!==200) return this.$message.error('登录失败');
              this.$message.success('登录成功');

            //   把token保存到sessionStorage
              window.sessionStorage.setItem('token',res.data.token)
              this.$router.push('/home')
           })
      }
  }
};
</script>

<style lang='less' scoped>
.login_continer {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  height: 300px;
  width: 450px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 150px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>